Vacon NX series Applications Manual page 316

VACON · 316
Table 162: Selections for parameter ID631
Selection
number
0 No action
Identification without motor run The drive is run without speed to identify the motor parame-
1
Identification with motor run
(NXP only)
2
Encoder identification run
3
4 (Reserved)
5 Identification failed
To activate the Identification function, set this parameter and give a start command. You have
to give the start command in 20 s. If there is no start command in that time, the identification
run does not start. The parameter is reset to the default value and an identification alarm
shows.
To stop the identification run before it is completed, give a stop command. This resets the
parameter to the default value. If the identification run is not completed, an identification
alarm shows.
During Identification Run, the brake control is disabled (see Chapter 8.3 External brake
control with additional limits (IDs 315, 316, 346 to 349, 352, 353)).
NOTE!
Rising edge required to start after identification.
633 CL: START-UP TORQUE, FORWARD 23456 (2.6.23.12)
Sets the start-up torque for forward direction if selected with parameter ID621.
634 CL: START-UP TORQUE, REVERSE 23456 (2.6.23.13)
Sets the start-up torque for reverse direction if selected with parameter ID621.
636 MINIMUM FREQUENCY FOR OPEN LOOP TORQUE CONTROL 6 (2.10.7)
The output frequency limit below which the drive operates in the frequency control mode.
Because of the nominal slip of the motor, the internal torque calculation is inaccurate at low
speeds where is it recommended to use the frequency control mode.
8
Selection name
No identification requested.
ters. The motor is supplied with current and voltage but with
zero frequency. U/f ratio is identified.
The drive is run with speed to identify the motor parameters.
U/f ratio and magnetization current are identified.
NOTE!
This identification run must be performed with no load on
the motor shaft for accurate results.
Identifies the shaft zero position when using PMS motor with
absolute encoder.
This value is stored if identification fails.
PARAMETER DESCRIPTIONS
Description
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